/Engine/Plugins/Runtime/MassGameplay/Source/MassLOD/Public/MassLODLogic.h
Per viewer LOD information conditional fragment accessors
template<bool Condition, typename TemplateClass> static void SetLODPerViewerNum ( TemplateClass & Obj, typename [TEnableIf](API\Runtime\Core\Templates\TEnableIf)< [Condition](API\Plugins\StateTreeModule\EStateTreeBindableStructSource), int32 >::Type Num )